| 摘要 |
2112689 9302050 PCTABS00019 The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein Y is C1-C6 alkylene optionally substituted by C1-C6 alkyl; R is H, OH, halo, C1-C4 alkyl or C1-C4 alkoxy; R1, R2, R3 and R4 are each independently selected from H, C1-C4 alkyl, C1-C4 alkoxy, OH, halo and CF3; one of R6, R7 and R8 is a group of formula (a) or (b), and the remainder, together with R5 and R9, are each independently selected from H, C1-C4 alkyl, C1-C4 alkoxy, halo and halo(C1-C4)alkyl; R10 is COOH, COOR11 or CONR12R13; R11 is a biolabile ester-forming group; R12 and R13 are each independently selected from H and C1-C4 alkyl; R14 is H, C1-C6 alkyl, C3-C7 cycloalkyl or aryl; and ''aryl'', used in the definitions of R6, R7, R8 and R14, means phenyl optionally substituted by C1-C6 alkyl, C1-C6 alkoxy, C2-C6 alkenyl, OH, halo, CF3, halo(C1-C6 alkyl), nitro, amino, C2-C6 alkanamido, C2-C6 alkanoyl or phenyl: together with pharmaceutical compositions containing, processes for the preparation of and uses of, such compounds.
|
